Subtract 8/16 from 3/40
3/40 - 8/16 is -17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
3/40 = 3 × 2/40 × 2 = 6/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
8/16 = 8 × 5/16 × 5 = 40/80 - Subtract the two like fractions:
6/80 - 40/80 = 6 - 40/80 = -34/80 - After reducing the fraction, the answer is -17/40
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